Including: catalog, flat roof cornice (no insulation layer, prefabricated cornice, cast-in-place cornice), parapet and flashing, parapet flashing and coping plate, roof high-low span deformation joint, seismic joint, roof deformation joint, seismic joint, insulated roof, manhole on roof, chimney, ventilation duct out of roof, ventilation duct out of roof, iron chimney, ventilation duct out of roof, roof flagpole Railing and cable seat